Toolless Mini Rack, 6U-sized device rack with a 24-port blank patch panel that can be assembled without tools. The Toolless Mini Rack (U Rack 6U TL) is a heavy-duty, 6U-sized device rack that can be easily assembled without tools. The U Rack 6U TL is equipped with a 24-port blank patch panel, lockable casters, and can house most rack-mountable Ubiquiti devices.